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Finding the Fourth Proportional to 224,692.36, 310,135.22 and 139,761.16

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Solution

The fourth proportional to 224,692.36, 310,135.22 and 139,761.16 is: 192,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,692.36 : 310,135.22 = 139,761.16 : x
  2. Step 2: Convert to fraction form
    224,692.36/310,135.22 = 139,761.16/x
  3. Step 3: Cross multiply
    224,692.36x = 310,135.22 × 139,761.16
  4. Step 4: Simplify right side
    224,692.36x = 43,344,858,104.06
  5. Step 5: Solve for x
    x = 43,344,858,104.06/224,692.36
  6. Step 6: Final answer
    x = 192,907.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.